From nobody Wed Dec 10 09:02:52 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4dR8rF2v0tz6KF3Z for ; Wed, 10 Dec 2025 09:02:53 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4dR8rF2FTMz3Rrw for ; Wed, 10 Dec 2025 09:02:53 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1765357373; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=TdyIcA9rDnTaBjAsok6B6/JRPkWWOev2uAucxW1nJ3U=; b=xjoaSXcDomhEt1yfVmJv+UPeTOllQmligz7yRPtua/f9afxDlyZ3sUlZfMAoyCSp24CtEy /GOufdDNP1ZWDi5OZD8bXFOH4oMt1D5eT06Q5kgeK/CFkTrN3yLEiTImrzbNhCEGZcStSd BDHRjGyMr0RR6PJzB0CKyvKohzzDrnLDciPsP44A0uQPihkUXfNa/czdS0VS2AKCwoE+De DaFCvquYzLUAywZmBL27CcN0gJ3rjP6fE8saqu2MuFKQtv6MquXLiYQnuw5L5hMIxjrsFX pnl2pfc6iyJQpDq9IbX0kQPNM/e8kCprp0OAwLFMrlzdaJzntpxVOJaboXT+HQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1765357373; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=TdyIcA9rDnTaBjAsok6B6/JRPkWWOev2uAucxW1nJ3U=; b=j52koO65ncyDH/LU014sQ5+kaKSdJ+p9b8776TJ+frh73/4UH9P4nO9VlL3flDnKlu6OmX D1a68/9VKYtXV6BwfkgKGhjXMzHVATaa8E+KjwEmkHbIrs3hmcZEqxWhGbIKBmcjmeVVBo VBG19LUQrdTCV/u2E1D53QNQAjBXbJiiSeVk7eW/mJ5dPGIkdu9JJuZ5KGau/ktXKf7yaL 3vxPxt/A2Wo0kP7qWwJlhCnYtqU2xYP5J3MqyXiqCdT3linIWjih3UFg/2KLpMf7ZtyZGy Zx8DsKzmHT+D8x6aSsXgUp+Rmw1z4jMZiwzNg4vlukqCVMCyZhQ2GgyWmH+FZw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1765357373; a=rsa-sha256; cv=none; b=W41FdkU0fHEpvCMre7B0e5mS4X7ojlYys81SKQ9TGYl5AEIQlQv9SPQ30KVu0ziqz6W7HD ybApJCoJoHjM0ZThrJ6/swBGiwRgRgq79b9AURUvAWqVM2tqhXNgIGdOw2j1gnIi4SoRiE WjGat9Nf/dyyoUBt0bD0X1md6hhxkpY/M8zDr2ajdMZcJxnnKkPTeAvZ/HZ8MPpoDamAOX mTte74M5XEYckkWAquUje1Warey2y3HszoTUaRYDk2ivPxyDk0ynxYr/dIuniBAoERW237 fGIYIuFjNjq5D8nQPJ2FnXG3GbxQ44/2bzloqE/0foByxENUIkHRuP5+Bs2JiA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4dR8rF1Xs0zfgZ for ; Wed, 10 Dec 2025 09:02:53 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 5BA92rZP003563 for ; Wed, 10 Dec 2025 09:02:53 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 5BA92rXZ003562 for net@FreeBSD.org; Wed, 10 Dec 2025 09:02:53 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 291420] [epair] Bad UDP packet checksum with epair(4) and txcsum enabled Date: Wed, 10 Dec 2025 09:02:52 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 14.3-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: vova@zote.me X-Bugzilla-Status: In Progress X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: tuexen@freebsd.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D291420 --- Comment #17 from vova@zote.me --- (In reply to Michael Tuexen from comment #16) aha,=20 what if system has multiple exit interfaces and some of them have no offloading? what if system has virtual exit interfaces (like tunnels)? all these cases are up to adminstrator or kernel should always calculate checksum on exit via non-local interfaces if it was delayed? --=20 You are receiving this mail because: You are on the CC list for the bug.=